MESON Chess Problem Database

Problem Display
PID: 146666 (4B3/B2p4/3K4/3Pp3/8/1N1k2P1/N6Q/8 w - - 0 1)

Mihalco, Oto

Australian Chess Problem Magazine, 1992

4B3/B2p4/3K4/3Pp3/8/1N1k2P1/N6Q/8

#2

8 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sa1?
      • threat
        • 2.Qc2#
      • 1...Kc4
        • 2.Qe2#
      • 1...Ke4!
    • 1.Sbc1+?
      • 1...Kc4
        • 2.Qe2#
      • 1...Ke4!
    • 1.Sd4?
      • threat
        • 2.Qe2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kc4
        • 2.Qc2#
        • 2.Qe2#
      • 1...Ke4
        • 2.Qe2#
      • 1...exd4!
    • 1.Bh5?
      • threat
        • 2.Qe2#
      • 1...Ke4
        • 2.Qc2#
      • 1...Kc4!
  • Keys
    • 1.Bxd7!
      • 1...Kc4
        • 2.Qc2#
      • 1...Ke4
        • 2.Qe2#
      • 1...e4
        • 2.Bb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • P(b);XS(C)
    • Try
      • B(H);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(H);XP(c)
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
      • P(b);SBLOCK::B(H)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).